// Copyright 2019 Yan Yan
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SPARSE_REORDERING_FUNCTOR_H_
#define SPARSE_REORDERING_FUNCTOR_H_
#include <tensorview/tensorview.h>

namespace spconv
{
namespace functor
{
template <typename Device, typename T, typename Index>
struct SparseGatherFunctor
{
    void operator()(const Device& d, tv::TensorView<T> buffer, tv::TensorView<const T> features,
                    tv::TensorView<const Index> indices, int size);
};

template <typename Device, typename T, typename Index>
struct SparseScatterAddFunctor
{
    void operator()(const Device& d, tv::TensorView<T> out_features,
                    tv::TensorView<const T> buffer, tv::TensorView<const Index> indices,
                    int size, bool stable=false);
};
} // namespace functor
} // namespace spconv

#endif